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Date: Tue, 26 Nov 2002 09:10:14 -0800 (PST)
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From: John Baldwin <jhb@FreeBSD.org>
Subject: PERFORCE change 21535 for review
To: Perforce Change Reviews <perforce@freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=21535

Change 21535 by jhb@jhb_laptop on 2002/11/26 09:09:45

	Try doing both startup IPI's.

Affected files ...

.. //depot/projects/smpng/sys/i386/i386/mp_machdep.c#31 edit

Differences ...

==== //depot/projects/smpng/sys/i386/i386/mp_machdep.c#31 (text+ko) ====

@@ -2141,14 +2141,12 @@
 	/* used as a watchpoint to signal AP startup */
 	cpus = mp_ncpus;
 
-#if 0
 	/*
 	 * first we do an INIT/RESET IPI this INIT IPI might be run, reseting
 	 * and running the target CPU. OR this INIT IPI might be latched (P5
 	 * bug), CPU waiting for STARTUP IPI. OR this INIT IPI might be
 	 * ignored.
 	 */
-#endif
 
 	/* setup the address for the target AP */
 	icr_hi = lapic.icr_hi & ~APIC_ID_MASK;
@@ -2188,7 +2186,6 @@
 		 /* spin */ ;
 	u_sleep(200);		/* wait ~200uS */
 
-#if 0
 	/*
 	 * finally we do a 2nd STARTUP IPI: this 2nd STARTUP IPI should run IF
 	 * the previous STARTUP IPI was cancelled by a latched INIT IPI. OR
@@ -2200,7 +2197,6 @@
 	while (lapic.icr_lo & APIC_DELSTAT_MASK)
 		 /* spin */ ;
 	u_sleep(200);		/* wait ~200uS */
-#endif
 
 	/* wait for it to start */
 	set_apic_timer(5000000);/* == 5 seconds */

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